MSI B75MA-P33 User Manual
Page 23
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23
MS-7808
JtPM: tPM Module Connector
this connector connects to a optional tPM (trusted Platform Module). Please
refer to the tPM security platform manual for more details and usages.
10.N
o Pin
14.G
roun
d
8.5V
Pow
er
12.G
roun
d
6.Se
rial IR
Q
4.3.3
V Po
wer
2.3V
Stan
dby p
ower
1.LP
C Clo
ck
3.LP
C Re
set
5.LP
C ad
dress
& da
ta pin
0
7.LP
C ad
dress
& da
ta pin
1
9.LP
C ad
dress
& da
ta pin
2
11.LP
C ad
dress
& da
ta pin
3
13.L
PC F
ram
e
JCoM: Serial Port Connector
this connector is a 6550A high speed communication port that sends/receives
6 bytes FiFos. you can attach a serial device.
1.DC
D
3.SO
UT
10.N
o Pin
5.Gro
und
7.RT
S
9.RI
8.CT
S
6.DS
R
4.DT
R
2.SIN
JBAt: Clear CMoS Jumper
there is CMoS rAM onboard that is external powered from a battery located on
the mainboard to save system configuration data. With the CMoS rAM, the sys-
tem can automatically boot into the operating system (oS) every time it is turned
on. if you want to clear the system configuration, set the jumper to clear the CMoS
rAM.
1
1
keep data
Clear data
iMPortANt
you can clear the CMoS rAM by shorting this jumper while the system is off.
Afterwards, open the jumper . do not clear the CMoS rAM while the system is on
because it will damage the mainboard.